org.jf.dexlib2.iface.ExceptionHandler Java Examples

/**
 * Return the types that are used in this body.
 */
public Set<Type> usedTypes() {
    Set<Type> types = new HashSet<Type>();
    for (DexlibAbstractInstruction i : instructions)
        types.addAll(i.introducedTypes());

    if(tries!=null) {
     for (TryBlock<? extends ExceptionHandler> tryItem : tries) {
         List<? extends ExceptionHandler> hList = tryItem.getExceptionHandlers();
      for (ExceptionHandler handler: hList) {
          String exType = handler.getExceptionType();
          if (exType == null) // for handler which capture all Exceptions
              continue;
          types.add(DexType.toSoot(exType));
      }
     }
    }

    return types;
}
 

public void addHandler(@Nonnull EH handler) {
    for (ExceptionHandler existingHandler: exceptionHandlers) {
        String existingType = existingHandler.getExceptionType();
        String newType = handler.getExceptionType();

        // Don't add it if we already have a handler of the same type
        if (existingType == null) {
            if (newType == null) {
                if (existingHandler.getHandlerCodeAddress() != handler.getHandlerCodeAddress()) {
                    throw new InvalidTryException(
                            "Multiple overlapping catch all handlers with different handlers");
                }
                return;
            }
        } else if (existingType.equals(newType)) {
            if (existingHandler.getHandlerCodeAddress() != handler.getHandlerCodeAddress()) {
                throw new InvalidTryException(
                        "Multiple overlapping catches for %s with different handlers", existingType);
            }
            return;
        }
    }

    exceptionHandlers.add(handler);
}
 

@Override
public int compareTo(@Nonnull ExceptionHandler o) {
    int res;
    String exceptionType = getExceptionType();
    if (exceptionType == null) {
        if (o.getExceptionType() != null) {
            return 1;
        }
    } else {
        String otherExceptionType = o.getExceptionType();
        if (otherExceptionType == null) {
            return -1;
        }
        res = exceptionType.compareTo(o.getExceptionType());
        if (res != 0) return res;
    }
    return Ints.compare(getHandlerCodeAddress(), o.getHandlerCodeAddress());
}
 

@Override
public int compareTo(@Nonnull ExceptionHandler o) {
    int res;
    String exceptionType = getExceptionType();
    if (exceptionType == null) {
        if (o.getExceptionType() != null) {
            return 1;
        }
    } else {
        String otherExceptionType = o.getExceptionType();
        if (otherExceptionType == null) {
            return -1;
        }
        res = exceptionType.compareTo(o.getExceptionType());
        if (res != 0) return res;
    }
    return Ints.compare(getHandlerCodeAddress(), o.getHandlerCodeAddress());
}
 

@Override
public int compareTo(@Nonnull ExceptionHandler o) {
    int res;
    String exceptionType = getExceptionType();
    if (exceptionType == null) {
        if (o.getExceptionType() != null) {
            return 1;
        }
    } else {
        String otherExceptionType = o.getExceptionType();
        if (otherExceptionType == null) {
            return -1;
        }
        res = exceptionType.compareTo(o.getExceptionType());
        if (res != 0) return res;
    }
    return Ints.compare(getHandlerCodeAddress(), o.getHandlerCodeAddress());
}
 

@Override
public int compareTo(@Nonnull ExceptionHandler o) {
    int res;
    String exceptionType = getExceptionType();
    if (exceptionType == null) {
        if (o.getExceptionType() != null) {
            return 1;
        }
    } else {
        String otherExceptionType = o.getExceptionType();
        if (otherExceptionType == null) {
            return -1;
        }
        res = exceptionType.compareTo(o.getExceptionType());
        if (res != 0) return res;
    }
    return Ints.compare(getHandlerCodeAddress(), o.getHandlerCodeAddress());
}
 

@Nonnull @Override
public List<? extends TryBlock<? extends ExceptionHandler>> getTryBlocks(@Nonnull BuilderMethod builderMethod) {
    MethodImplementation impl = builderMethod.getImplementation();
    if (impl == null) {
        return ImmutableList.of();
    }
    return impl.getTryBlocks();
}
 

public static ImmutableExceptionHandler of(ExceptionHandler exceptionHandler) {
    if (exceptionHandler instanceof ImmutableExceptionHandler) {
        return (ImmutableExceptionHandler)exceptionHandler;
    }
    return new ImmutableExceptionHandler(
            exceptionHandler.getExceptionType(),
            exceptionHandler.getHandlerCodeAddress());
}
 

public ImmutableMethodImplementation(int registerCount,
                                     @Nullable Iterable<? extends Instruction> instructions,
                                     @Nullable List<? extends TryBlock<? extends ExceptionHandler>> tryBlocks,
                                     @Nullable Iterable<? extends DebugItem> debugItems) {
    this.registerCount = registerCount;
    this.instructions = ImmutableInstruction.immutableListOf(instructions);
    this.tryBlocks = ImmutableTryBlock.immutableListOf(tryBlocks);
    this.debugItems = ImmutableDebugItem.immutableListOf(debugItems);
}
 

public ImmutableTryBlock(int startCodeAddress,
                         int codeUnitCount,
                         @Nullable List<? extends ExceptionHandler> exceptionHandlers) {
    this.startCodeAddress = startCodeAddress;
    this.codeUnitCount = codeUnitCount;
    this.exceptionHandlers = ImmutableExceptionHandler.immutableListOf(exceptionHandlers);
}
 

public static ImmutableTryBlock of(TryBlock<? extends ExceptionHandler> tryBlock) {
    if (tryBlock instanceof ImmutableTryBlock) {
        return (ImmutableTryBlock)tryBlock;
    }
    return new ImmutableTryBlock(
            tryBlock.getStartCodeAddress(),
            tryBlock.getCodeUnitCount(),
            tryBlock.getExceptionHandlers());
}
 

public static <EH extends ExceptionHandler> List<TryBlock<EH>> massageTryBlocks(
        List<? extends TryBlock<? extends EH>> tryBlocks) {
    TryListBuilder<EH> tlb = new TryListBuilder<EH>();

    for (TryBlock<? extends EH> tryBlock: tryBlocks) {
        int startAddress = tryBlock.getStartCodeAddress();
        int endAddress = startAddress + tryBlock.getCodeUnitCount();

        for (EH exceptionHandler: tryBlock.getExceptionHandlers()) {
            tlb.addHandler(startAddress, endAddress, exceptionHandler);
        }
    }
    return tlb.getTryBlocks();
}
 

@Override public int compare(ExceptionHandler o1, ExceptionHandler o2) {
    String exceptionType1 = o1.getExceptionType();
    if (exceptionType1 == null) {
        if (o2.getExceptionType() != null) {
            return 1;
        }
        return 0;
    } else {
        String exceptionType2 = o2.getExceptionType();
        if (exceptionType2 == null) {
            return -1;
        }
        return exceptionType1.compareTo(o2.getExceptionType());
    }
}
 

public ImmutableMethodImplementation(int registerCount,
                                     @Nullable Iterable<? extends Instruction> instructions,
                                     @Nullable List<? extends TryBlock<? extends ExceptionHandler>> tryBlocks,
                                     @Nullable Iterable<? extends DebugItem> debugItems) {
    this.registerCount = registerCount;
    this.instructions = ImmutableInstruction.immutableListOf(instructions);
    this.tryBlocks = ImmutableTryBlock.immutableListOf(tryBlocks);
    this.debugItems = ImmutableDebugItem.immutableListOf(debugItems);
}
 

public static ImmutableExceptionHandler of(ExceptionHandler exceptionHandler) {
    if (exceptionHandler instanceof ImmutableExceptionHandler) {
        return (ImmutableExceptionHandler)exceptionHandler;
    }
    return new ImmutableExceptionHandler(
            exceptionHandler.getExceptionType(),
            exceptionHandler.getHandlerCodeAddress());
}
 

@Nonnull @Override
public List<? extends TryBlock<? extends ExceptionHandler>> getTryBlocks(@Nonnull BuilderMethod builderMethod) {
    MethodImplementation impl = builderMethod.getImplementation();
    if (impl == null) {
        return ImmutableList.of();
    }
    return impl.getTryBlocks();
}
 

@Override public int compare(ExceptionHandler o1, ExceptionHandler o2) {
    String exceptionType1 = o1.getExceptionType();
    if (exceptionType1 == null) {
        if (o2.getExceptionType() != null) {
            return 1;
        }
        return 0;
    } else {
        String exceptionType2 = o2.getExceptionType();
        if (exceptionType2 == null) {
            return -1;
        }
        return exceptionType1.compareTo(o2.getExceptionType());
    }
}
 

@Override public int compare(ExceptionHandler o1, ExceptionHandler o2) {
    String exceptionType1 = o1.getExceptionType();
    if (exceptionType1 == null) {
        if (o2.getExceptionType() != null) {
            return 1;
        }
        return 0;
    } else {
        String exceptionType2 = o2.getExceptionType();
        if (exceptionType2 == null) {
            return -1;
        }
        return exceptionType1.compareTo(o2.getExceptionType());
    }
}
 

@Override
public boolean equals(@Nullable Object o) {
    if (o instanceof ExceptionHandler) {
        ExceptionHandler other = (ExceptionHandler)o;
        return Objects.equal(getExceptionType(), other.getExceptionType()) &&
               (getHandlerCodeAddress() == other.getHandlerCodeAddress());
    }
    return false;
}
 

@Override
protected MethodImplementation reMethodImpl(MethodImplementation methodImplementation) {
    if (methodImplementation == null){
        return null;
    }
    Iterable<? extends Instruction> instructions = methodImplementation.getInstructions();
    Iterable<? extends DebugItem> debugItems = methodImplementation.getDebugItems();
    List<? extends TryBlock<? extends ExceptionHandler>> tryBlocks = methodImplementation.getTryBlocks();
    return new ImmutableMethodImplementation(methodImplementation.getRegisterCount(), reInstructions(instructions), reTryCatchBlock(methodImplementation.getTryBlocks()), reDebugItem(methodImplementation.getDebugItems()));

}
 

public static ImmutableTryBlock of(TryBlock<? extends ExceptionHandler> tryBlock) {
    if (tryBlock instanceof ImmutableTryBlock) {
        return (ImmutableTryBlock)tryBlock;
    }
    return new ImmutableTryBlock(
            tryBlock.getStartCodeAddress(),
            tryBlock.getCodeUnitCount(),
            tryBlock.getExceptionHandlers());
}
 

@Override
protected List<? extends TryBlock<? extends ExceptionHandler>> reTryCatchBlock(List<? extends TryBlock<? extends ExceptionHandler>> tryBlocks) {
    if (tryBlocks == null || tryBlocks.size() == 0) {
        return null;
    }
    List<ImmutableTryBlock> newTryCatchBlocks = new ArrayList<ImmutableTryBlock>();
    for (TryBlock<? extends ExceptionHandler> tryBlock : tryBlocks) {
        newTryCatchBlocks.add(ImmutableTryBlock.of(tryBlock));
    }
    return newTryCatchBlocks;
}
 

public static ImmutableExceptionHandler of(ExceptionHandler exceptionHandler) {
    if (exceptionHandler instanceof ImmutableExceptionHandler) {
        return (ImmutableExceptionHandler)exceptionHandler;
    }
    return new ImmutableExceptionHandler(
            exceptionHandler.getExceptionType(),
            exceptionHandler.getHandlerCodeAddress());
}
 

public ImmutableTryBlock(int startCodeAddress,
                         int codeUnitCount,
                         @Nullable List<? extends ExceptionHandler> exceptionHandlers) {
    this.startCodeAddress = startCodeAddress;
    this.codeUnitCount = codeUnitCount;
    this.exceptionHandlers = ImmutableExceptionHandler.immutableListOf(exceptionHandlers);
}
 

@Override
public boolean equals(@Nullable Object o) {
    if (o instanceof ExceptionHandler) {
        ExceptionHandler other = (ExceptionHandler)o;
        return Objects.equal(getExceptionType(), other.getExceptionType()) &&
               (getHandlerCodeAddress() == other.getHandlerCodeAddress());
    }
    return false;
}
 

public ImmutableMethodImplementation(int registerCount,
                                     @Nullable Iterable<? extends Instruction> instructions,
                                     @Nullable List<? extends TryBlock<? extends ExceptionHandler>> tryBlocks,
                                     @Nullable Iterable<? extends DebugItem> debugItems) {
    this.registerCount = registerCount;
    this.instructions = ImmutableInstruction.immutableListOf(instructions);
    this.tryBlocks = ImmutableTryBlock.immutableListOf(tryBlocks);
    this.debugItems = ImmutableDebugItem.immutableListOf(debugItems);
}
 

public ImmutableTryBlock(int startCodeAddress,
                         int codeUnitCount,
                         @Nullable List<? extends ExceptionHandler> exceptionHandlers) {
    this.startCodeAddress = startCodeAddress;
    this.codeUnitCount = codeUnitCount;
    this.exceptionHandlers = ImmutableExceptionHandler.immutableListOf(exceptionHandlers);
}
 

@Nonnull @Override
public List<? extends TryBlock<? extends ExceptionHandler>> getTryBlocks(@Nonnull BuilderMethod builderMethod) {
    MethodImplementation impl = builderMethod.getImplementation();
    if (impl == null) {
        return ImmutableList.of();
    }
    return impl.getTryBlocks();
}
 

@Override @Nonnull public List<? extends TryBlock<? extends ExceptionHandler>> getTryBlocks() {
    return RewriterUtils.rewriteList(rewriters.getTryBlockRewriter(),
            methodImplementation.getTryBlocks());
}
 

@Nonnull @Override public ExceptionHandler rewrite(@Nonnull ExceptionHandler value) {
    return new RewrittenExceptionHandler(value);
}